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如何使用平移手势缩放图形的选定部分。起初,当我使用捏选择图形的某个部分时,我可以看到完整的图形,该部分应该占满。
建议我有想法...
将手势识别器添加到托管视图并根据手势操作图形。allowPinchScaling如果它妨碍您,您可以关闭默认的捏缩放 ( = NO)。
allowPinchScaling